Rudolph Koenig

Portrait {{circa|1890s}} Karl Rudolph Koenig (26 November 18322 October 1901) was a German businessman, instrument maker, and physicist, chiefly concerned with acoustic phenomena. He was best known for designing and building acoustical instruments such as the tuning fork and sound analyser. Provided by Wikipedia
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    by Koenig, Rudolph
    Published 1882
    Other Authors: “…Koenig, Rudolph…”
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